SLLSFS1B August   2023  – April 2024 THVD4431

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  ESD Ratings
    3. 5.3  ESD Ratings [IEC]
    4. 5.4  Recommended Operating Conditions
    5. 5.5  Thermal Information
    6. 5.6  Power Dissipation
    7. 5.7  Electrical Characteristics
    8. 5.8  Switching Characteristics_RS-485_500kbps
    9. 5.9  Switching Characteristics_RS-485_20Mbps
    10. 5.10 Switching Characteristics, Driver_RS232
    11. 5.11 Switching Characteristics, Receiver_RS232
    12. 5.12 Switching Characteristics_MODE switching
    13. 5.13 Switching Characteristics_RS-485_Termination resistor
    14. 5.14 Switching Characteristics_Loopback mode
    15. 5.15 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Integrated IEC ESD and EFT Protection
      2. 7.3.2 Protection Features
      3. 7.3.3 RS-485 Receiver Fail-Safe Operation
      4. 7.3.4 Low-Power Shutdown Mode
      5. 7.3.5 On-chip Switchable Termination Resistor
      6. 7.3.6 Operational Data Rate
      7. 7.3.7 Diagnostic Loopback
      8. 7.3.8 Integrated Charge pump for RS-232
    4. 7.4 Device Functional Modes
      1. 7.4.1 RS-485 Functionality
      2. 7.4.2 RS-232 Functionality
      3. 7.4.3 Mode Control
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Data Rate and Bus Length for RS-485
        2. 8.2.1.2 Stub Length for RS-485 Network
        3. 8.2.1.3 Bus Loading for RS-485 Network
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Third-Party Products Disclaimer
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6 Parameter Measurement Information

GUID-20221101-SS0I-SLRQ-TB0Q-SRNZKCSHPJGX-low.svg Figure 6-1 Measurement of RS-485 Driver Differential Output Voltage With Common-Mode Load
GUID-20221101-SS0I-TZ0D-L9XC-26B1TBCQFQ20-low.svg Figure 6-2 Measurement of RS-485 Driver Differential and Common-Mode Output With RS-485 Load
GUID-20221101-SS0I-LBZS-W4S6-RZVP8SFVZS9M-low.svg Figure 6-3 Measurement of RS-485 Driver Differential Output Rise and Fall Times and Propagation Delays
GUID-20221101-SS0I-XDGJ-SWGP-FXD1FBN5HDBG-low.svg Figure 6-4 Measurement of RS-485 Driver Enable and Disable Times With Active High Output and Pull-Down Load
GUID-20221101-SS0I-QLCX-SLZJ-1RJLLDV8L3BJ-low.svg Figure 6-5 Measurement of RS-485 Driver Enable and Disable Times With Active Low Output and Pull-up Load
GUID-20221101-SS0I-FM7Q-M4R0-FQTSL0CCL61P-low.svg Figure 6-6 Measurement of RS-485 Receiver Output Rise and Fall Times and Propagation Delays
GUID-20221101-SS0I-GJFF-MZGS-6QS2LK7KDSN4-low.svg Figure 6-7 Measurement of RS-485 Receiver Enable and Disable Times in Half Duplex Mode
GUID-20221101-SS0I-4BPZ-VBGB-PCR39ZHTTKRN-low.svg Figure 6-8 Measurement of RS-485 Receiver Enable Time from Shutdown with TX Disabled: Full Duplex Mode
GUID-20221101-SS0I-FPKX-97JC-BD28GFZTCH8C-low.svg Figure 6-9 Termination Resistor Measurement
GUID-20221101-SS0I-LD9D-LVK1-DNFJWDLRH5CR-low.svg Figure 6-10 Termination Resistor Switching Measurement
GUID-20221101-SS0I-SPKV-T1XH-5CB0MFPMXM54-low.svg Figure 6-11 Time from Shutdown to RS-232 Ready
GUID-20221101-SS0I-VC3N-21RD-PZNZLZG5HBBM-low.svg Figure 6-12 Time to Switch from RS-232 3T5R Mode to RS-485 Full Duplex Mode and Back
GUID-20221101-SS0I-J2JG-VK4B-G58B0C0LBMRH-low.svg Figure 6-13 Time to Switch from RS-232 Loopback to Normal RS-232 3T5R Mode and Back
GUID-20221101-SS0I-WKG8-8FLJ-CM9MDMQ0HXZS-low.svg Figure 6-14 Time to Switch from RS-485 Loopback Mode to RS-485 Full Duplex Mode and Back
GUID-20221101-SS0I-H7ZH-6DWD-22DBCDLGFZF5-low.svg Figure 6-15 Time to Switch from RS-485 Full Duplex to Half Duplex and Back
GUID-20221101-SS0I-W06B-1CLX-X29M0SNKMKC2-low.svg Figure 6-16 RS-232 Driver Prop Delay, Pulse Skew
GUID-20221101-SS0I-HNBX-91XH-SFD70CQ30DXD-low.svg Figure 6-17 RS-232 Driver Slew Rate
GUID-20221101-SS0I-WMDG-QSMD-LVLKKXRDVBLL-low.svg Figure 6-18 RS-232 Receiver Propagation Delay, Pulse Skew
GUID-20221101-SS0I-NS7D-9STW-QP6F21N5WF5M-low.svg Figure 6-19 RS-232 Receiver Enable and Disable Time